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    General Chemistry Principles
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    Exam 15: Principles of Chemical Equilibrium
  5. Question
    At a Certain Temperature,K<sub>c</sub> Equals 1
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At a Certain Temperature,Kc Equals 1

Question 31

Question 31

Multiple Choice

At a certain temperature,Kc equals 1.40 × 102 M-1 for the reaction:
2 CO(g) + O2(g) ⇌ 2 CO2(g)
If a 3.00 L flask contains 0.400 mol of CO2 and 0.100 mol of O2 at equilibrium,how many moles of CO are also present in the flask?


A) 0.555 mol
B) 0.185 mol
C) 0.107 mol
D) 0.0114 mol

Correct Answer:

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